package cn.wolfcode.trip.base.service;

import cn.wolfcode.trip.base.domain.SystemMessage;
import cn.wolfcode.trip.base.query.QueryObject;
import com.github.pagehelper.PageInfo;

public interface ISystemMessageService {

    PageInfo<SystemMessage> query(QueryObject qo);

    void changeStatus(Long uid);

    Integer querySystemMessageCount(Long uid);

    SystemMessage queryOneForId(Long id);

    void deleteLetter(Long id);
}
